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Implement WCAG 2.1 accessibility standards for semantic HTML, keyboard navigation, ARIA attributes, and screen reader support. \n \n Covers semantic HTML structure, keyboard navigation (Tab, arrow keys, ESC), and focus management for modals and interactive components \n Provides ARIA attribute guidance (aria-label, aria-live, aria-hidden, role attributes) with practical React/TypeScript examples \n Includes color contrast requirements (WCAG AA/AAA), visual focus indicators, and testing strategie

Reverse-engineered Gemini Web API for text and image generation with multi-turn conversation support. \n \n Supports text generation, image generation from prompts, and vision input via reference images for analysis or variation \n Includes four model options: gemini-3-pro (default), gemini-3-flash, gemini-3-flash-thinking, and gemini-3.1-pro-preview \n Multi-turn conversation via session IDs with automatic cookie caching and browser-based Google authentication \n Requires user consent before fi

Web Design Guidelines \n Modern web design principles for responsive layouts, accessibility, and visual hierarchy. \n When to Use \n \n Creating polished web interfaces \n Improving accessibility \n Responsive design patterns \n Visual hierarchy decisions \n \n Source \n This skill references patterns from Vercel's agent-skills .

Reliable web scraping with cascading fallbacks, anti-bot bypass, and poison pill detection. \n \n Implements a scraping cascade architecture with four strategies: trafilatura for fast article extraction, requests with rotating user agents, Playwright with stealth mode for JavaScript-heavy sites, and async Playwright for Jupyter notebooks \n Includes poison pill detection to identify paywalls, CAPTCHAs, rate limits, Cloudflare blocks, and login walls using pattern matching and status code analysi

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A comprehensive guide for creating animations that feel right, based on Emil Kowalski's "Animations on the Web" course.

Minimal CDP tools for collaborative site exploration.

Audit UI code against Web Interface Guidelines for compliance and best practices. \n \n Fetches the latest guidelines from Vercel Labs before each review to ensure current rule compliance \n Accepts file paths or patterns as arguments; prompts for files if none specified \n Outputs findings in concise file:line format for quick identification of violations \n Covers accessibility, design patterns, and UX best practices as defined in the guidelines repository \n

Web exploitation techniques for CTF challenges covering injection, authentication, access control, and client-side attacks. \n \n Covers 20+ attack categories: SQLi, XSS, SSTI, SSRF, XXE, command injection, path traversal, JWT/OAuth/SAML, prototype pollution, deserialization, file upload RCE, and race conditions \n Includes quick-reference payloads, filter bypasses, and multi-stage exploitation chains with real CTF examples (HTB, Pragyan, Nullcon) \n Supporting markdown files detail server-side

Web scraping and data extraction using Python tools for static, dynamic, and large-scale content. \n \n Supports static sites via requests and BeautifulSoup, dynamic content via Selenium and Playwright, and large-scale extraction via Scrapy and firecrawl \n Includes specialized tools for AI-powered extraction (jina), structured queries (agentQL), and complex automation workflows (multion) \n Built-in guidance on rate limiting, robots.txt compliance, error handling, session management, and pagina